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**ALL NEW ORDERS WILL NOT SHIP UNTIL 01/06/25 DUE TO UPCOMING HOLIDAYS!***

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Home
Shop All Macroalgae
Red Algae (Rhodophyta)
Green Algae (Chlorophyta)
Brown Algae (Phaeophyta)
Shop by Placement
Shop Beginner Species
Shop Sampler Packs
Shop Invertebrates
Shop Gift Cards
Sales & Promotions
Care Sheets & Compatibility Charts

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Our mission

Our mission is to provide a reliable and reputable source for live ornamental macroalgae. We wish to extend the beauty of algae to other hobbyists who are eager to grow beautiful marine planted aquariums!

Live Arrival Guarantee

Live arrival with standard shipping is guaranteed on algae not marked as "SENSITIVE SPECIES" in the description of the algae. All sensitive species are only guaranteed to arrive alive with UPS Express 2-Day shipping. ALL ORDERS require Express shipping in cold weather under 60°F and hot weather over 95°F to qualify for LAG.

Livestock Disclaimer

Macroalgae is generally safe with most snails, hermit crabs, shrimp, and fish. With this in mind - you should research your livestock and compatibility prior to purchasing. We are never liable for macroalgae eaten by tank inhabitants.

Hitchhiker Disclaimer

Macroalgae provides a biodiverse haven for many benthic creatures - and we are therefore unable to guarantee that organisms will not hitch a ride on your algae. This includes other algae, plant-like protists, anemones, echinoderms, annelids, crustaceans, and other invertebrates. MosaicMacros is never responsible for these animals, and by purchasing with us you are acknowledging the possibility of hitchhiking organisms.

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